Uitverkocht!
Welkom in de aandachtseconomie
Jim Stolze
juli
04
2011
Uitverkocht!
Welkom in de aandachtseconomie
Jim Stolze
What you have to do and the way you have to do it is incredibly simple. Whether you are willing to do it, that's another matter. Peter Drucker |
Breinopeners Bij Bol.com
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